// 路由的主文件

import Vue from 'vue'
import Router from 'vue-router'
// 引入多个路由
import approvalRouter from './modules/approvals'
import departmentsRouter from './modules/departments'
import attendancesRouter from './modules/attendances'
import employeesRouter from './modules/employees'
import permissionRouter from './modules/permission'
import salarysRouter from './modules/salarys'
import settingRouter from './modules/setting'
import socialRouter from './modules/social'
import UserRouter from './modules/user'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 定义一个静态路由变量 --- 所有模块都可以访问的路由
export const constantRoutes = [
  // path -- 你要给组件起的名字
  // component -- 要展示的组件
  // redirect -- 路由重定向 当你处于某一个路径下时，会重新跳转到你所重定向的新路径上
  // hidden -- 是否隐藏
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    // 重定向
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        name: 'dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: '首页', icon: 'dashboard' }
      }
    ]
  },

  // 定义路由，定义路径
  {
    path: '/import',
    component: Layout,
    hidden: true, // 隐藏在右侧菜单中
    children: [
      {
        path: '', // 二级路由path什么都不写 表示二级默认路由
        component: () => import('@/views/import')
      }
    ]
  },

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true },

  // 导入成静态路由，是无条件可访问
  UserRouter
]

// 定义一个动态路由变量 --- 有权限才可以访问的路由
export const asyncRoutes = [
  approvalRouter,
  departmentsRouter,
  attendancesRouter,
  employeesRouter,
  permissionRouter,
  salarysRouter,
  settingRouter,
  socialRouter
]

const createRouter = () =>
  new Router({
    // 默认是哈希（hash）模式——在路径中加一个< # >,且改变路经时，页面不会发生跳转  前端路由
    // 下面可以改成（history）模式——在路径中加< / >, 改变路经时，页面会跳转
    mode: 'history', // require service support
    // 管理滚动行为 如果出现滚动切换 就让页面会带顶部
    scrollBehavior: () => ({ y: 0 }),
    base: '/hr/', // 路径前缀
    // routes: [...constantRoutes, ...asyncRoutes]
    routes: [...constantRoutes] // 动态路由静态路由临时合并
  })

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
